Drug interactions
Ezogabine + Selpercatinib
Severity: Moderate
Ezogabine and Selpercatinib: moderate interaction.
Last updated
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
Summary
Selpercatinib can prolong the QT interval, and ezogabine has a modest QT effect. Using them together may increase the risk of torsades de pointes.
What this interaction means in plain words
Ezogabine and Selpercatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken.
Ezogabine belongs to Central Nervous System; Selpercatinib belongs to Oncology.
Why it happens
Additive pharmacodynamic prolongation of the QT interval.
What to do
Monitor ECG and electrolytes at baseline and periodically during treatment. Correct potassium, magnesium and calcium abnormalities, and reduce the selpercatinib dose or stop a drug if the QTc is markedly prolonged.
What to ask your pharmacist
- Should I take them at different times of day?
- Does the dose of either medicine need to change?
- Is there anything I should avoid, such as alcohol or certain foods, while on both?
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Other interactions of Ezogabine
Other interactions of Selpercatinib
Frequently asked questions
Can I take Ezogabine with Selpercatinib?
MediHelp rates the interaction as moderate. Ezogabine and Selpercatinib can affect each other. The combination is often manageable, but it may need a change of dose, a change of timing, or extra checks while both are taken. Selpercatinib can prolong the QT interval, and ezogabine has a modest QT effect. Using them together may increase the risk of torsades de pointes.
How serious is the interaction between Ezogabine and Selpercatinib?
MediHelp rates it moderate, on a four-level scale (minor, moderate, major, contraindicated) based on published labels and references. What to do, in brief: Monitor ECG and electrolytes at baseline and periodically during treatment. Correct potassium, magnesium and calcium abnormalities, and reduce the selpercatinib dose or stop a drug if the QTc is markedly prolonged.
What other medicines interact with Ezogabine?
MediHelp also lists interactions of Ezogabine with, for example, Adagrasib, Amiodarone, Amisulpride. The full list is on the Ezogabine page.
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